The Big Bang TheoryS03E22

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The Big Bang Theory : The Staircase Implementation

S03, E22 (First Aired: May 17, 2010)

Leonard tells Penny about how he met Sheldon and what happened to the elevator.

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TV-PG (D,L)

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S03, E21 (First Aired: May 10, 2010)

Leonard and Sheldon compete for a physicist's attention.

S03, E23 (First Aired: May 24, 2010)

Raj and Howard set up an online dating profile for Sheldon.

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